Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
medón
←
Latin
mediānus
(borrowed)
→
Welsh
mewn
(mention)
→
Irish
meán
(inherited)
→
Irish
airmheán
(mention)
→
Scottish Gaelic
meadhan
(inherited)
→
Manx
mean
(inherited)